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| /openbmc/linux/drivers/gpu/drm/meson/ |
| H A D | meson_viu.c | 24e0d405 Mon Oct 21 04:15:08 CDT 2019 Neil Armstrong <narmstrong@baylibre.com> drm/meson: hold 32 lines after vsync to give time for AFBC start
When using an AFBC encoded frame, the AFBC Decoder must be reset,
configured and enabled at each vsync IRQ.
To leave time for that, use the maximum lines hold time to give time
for AFBC setup and avoid visual glitches.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
[narmstrong: fix typo in commit log]
Link: https://patchwork.freedesktop.org/patch/msgid/20191021091509.3864-9-narmstrong@baylibre.com
24e0d405 Mon Oct 21 04:15:08 CDT 2019 Neil Armstrong <narmstrong@baylibre.com> drm/meson: hold 32 lines after vsync to give time for AFBC start
When using an AFBC encoded frame, the AFBC Decoder must be reset,
configured and enabled at each vsync IRQ.
To leave time for that, use the maximum lines hold time to give time
for AFBC setup and avoid visual glitches.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
[narmstrong: fix typo in commit log]
Link: https://patchwork.freedesktop.org/patch/msgid/20191021091509.3864-9-narmstrong@baylibre.com
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